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LT3955EUHE#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3955EUHE#PBF - LED DRIVER, BUCK-BOOST, 1MHZ, QFN-36

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LT3955EUHE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3955EUHE#PBF - Analog Devices PCB footprint - Other - Other - UHE Package Variation: UHE36(28)MA
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3D Models
LT3955EUHE#PBF - Analog Devices - 3D model - Other - UHE Package Variation: UHE36(28)MA
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LT3955EUHE#PBF Details

  • Manufacturer Part Number:

    LT3955EUHE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1836

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Segments:

    12

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28/36,.2X.24,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max:

    60 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    24 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    6 mm

LT3955EUHE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LT3955EUHE#PBF near a thermal pad or a heat sink, and ensuring that there are no thermal barriers or obstacles nearby. The datasheet provides a recommended PCB layout, but it's also recommended to consult with a thermal expert or use thermal simulation tools to optimize the design.
  • To ensure reliable start-up and shutdown of the LT3955EUHE#PBF, it's essential to follow the recommended power-up and power-down sequencing, as outlined in the datasheet. Additionally, make sure to provide a stable input voltage and ensure that the input capacitance is within the recommended range.
  • Operating the LT3955EUHE#PBF beyond the recommended operating conditions can lead to reduced reliability, decreased performance, and potentially even damage to the device. It's essential to ensure that the device operates within the recommended temperature range, input voltage, and output current to ensure reliable operation.
  • To troubleshoot issues with the LT3955EUHE#PBF, start by reviewing the datasheet and application notes to ensure that the device is being used within the recommended operating conditions. Then, use a oscilloscope or other debugging tools to analyze the input and output waveforms, and check for any signs of oscillation or instability. Consult with Analog Devices' support team or a qualified engineer if the issue persists.
  • The LT3955EUHE#PBF is designed to meet EMI and EMC standards, but it's still essential to follow good design practices to minimize electromagnetic interference. This includes using a solid ground plane, keeping sensitive traces away from noisy signals, and using shielding or filtering as needed. Consult with an EMI/EMC expert or refer to relevant standards and guidelines for more information.

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LT3955EUHE#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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